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Add university-extension variety trials: Illinois VT + Iowa ICPT + Ohio OCPT (+123 trial docs)

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Independent third-party performance data — land-grant programs that test every
entered brand side-by-side with replication + LSD stats. This is the legitimate
way to get Pioneer / DEKALB / Brevant / Channel performance the corpus can't
scrape directly (data_type=trial, results[] shape; falls through the trial
chunker).

- illinois_vt_trials (30 docs, 1,392 rows) — U of Illinois VT. Per-region XLSX
  (openpyxl), corn + soy + WHEAT, 2024+2025. Rich per-site agronomic metadata;
  corn-following-corn vs -soybean kept distinct.
- iowa_icpt_trials (24 docs, 674 rows) — Iowa State ICPT. ASP.NET GridView
  (viewstate postback for year/district), corn + soy by district x season.
- ohio_ocpt_trials (69 docs, 4,647 rows) — OSU/CFAES OCPT. Report PDF
  (pdfplumber; per-site column groups split by header Yield-token count +
  x-coord footnote bucketing), corn + soy per site, 2024+2025.

91 distinct seed brands across the three; majors confirmed present in the
independent rankings: DEKALB 395, Golden Harvest 249, Channel 241, NK 212,
Xitavo 135, LG 103, Pioneer 88, Asgrow 59. (A brand only appears where it
ENTERED a given program — e.g. Brevant not in Iowa, DEKALB/Channel not in
Illinois — true negatives, not parse gaps.)

- rag/chunk.py: gated `include_region` on _render_gh_plot_chunk; the 3 university
  sources route through it so the region/district is in the embedded chunk +
  labeled "variety trial (cross-vendor, independent third-party)". Existing plot
  sources (gh/lg/agrigold/proharvest) unchanged.
- requirements.txt: openpyxl (Illinois XLSX; scrape-time only).
- sources.json + README/CLAUDE/lessons: registered + attributed; lessons
  trial-data + Pioneer entries updated (Pioneer/DEKALB performance now available
  indirectly via these trials).

Validation: all 123 chunk via rag.chunk.chunks_from_trial (0 errors), 0
out-of-range yields, 0 dup keys. Public land-grant data; attribution recorded in
each tos_note. CI rebuilds the index from the committed corpus.
This commit is contained in:
Claude (agent)
2026-06-10 08:35:50 -04:00
parent 0bac06b7b6
commit 54094a0d43
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corpus/ohio_ocpt_trials/ocpt-soybeans-2024-north-late.md
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# Soybean yield trial — late maturity, OH (North, 2024)
- **Publisher:** Ohio Crop Performance Test (independent third-party, all brands)
- **Vendor:** The Ohio State University (CFAES extension)
- **Crop:** Soybean
- **Year:** 2024
- **Region:** North
- **Site:** late maturity
- **Source table:** TABLE 4: The 2024 Ohio Soybean Performance Trials, North Region - Late Varieties (RM 3.2-3.9)
- **Cooperator / sites:** N1=Henry Co.; N2=Sandusky Co.
- **Source PDF:** https://ohiocroptest.cfaes.osu.edu/soy2024/2024OCJwithproteinandoil.pdf
- **Note:** © OSU on the report; explicit no-endorsement clause; public CFAES extension publication; attribute Ohio Corn/Soybean Performance Test, OSU CFAES.
---
## Results (by yield rank)
| Rank | Brand | Hybrid/Variety | Traits | RM | Yield N1 | Yield N2 | Yield | Yield 2yr Mean |
|---|---|---|---|---|---|---|---|---|
| 1 | Ebberts Field Seeds | E3880 E3 | EN | 3.8 | 66 | 47.3 | 56.7 | 70.3 |
| 2 | Ebberts Field Seeds | E3580 E3 | EN | 3.5 | 59 | 50.2 | 54.6 | 69.2 |
| 3 | GROWMARK, INC. | HS 34E40 | EN | 3.4 | 61.3 | 47.8 | 54.6 | - |
| 4 | GROWMARK, INC. | HS 36F40 | XF | 3.6 | 63 | 45.7 | 54.4 | - |
| 5 | Ebberts Field Seeds | E3690 E3 | EN | 3.6 | 58.3 | 49.6 | 54 | - |
| 6 | Ebberts Field Seeds | E3380 E3 | EN | 3.3 | 59.7 | 47.3 | 53.5 | 68.5 |
| 7 | Axis | 3605XF | XF | 3.6 | 62.8 | 44.1 | 53.5 | - |
| 8 | Ebberts Field Seeds | E3760 E3 | EN | 3.7 | 67.4 | 38.8 | 53.1 | 71.3 |
| 9 | GROWMARK, INC. | HS 37E40 | EN | 3.7 | 53.5 | 52.4 | 53 | - |
| 10 | Seed Consultants, Inc. | SC7385ETM | EN | 3.8 | 60.7 | 45.1 | 52.9 | - |
| 11 | Benson Hill | N35D950S | CV | 3.5 | 58.3 | 46.1 | 52.2 | - |
| 12 | Xitavo | XO 3555E | EN | 3.5 | 56.6 | 47.1 | 51.9 | - |
| 13 | Seed Genetics Direct | ET-4732E3 | EN | 3.2 | 56.2 | 47.2 | 51.7 | - |
| 14 | Seedway | SG 3323E3 | EN | 3.3 | 63.1 | 40 | 51.6 | 67 |
| 15 | Seed Consultants, Inc. | SC7375ETM | EN | 3.7 | 60.5 | 42.4 | 51.5 | - |
| 16 | GROWMARK, INC. | HS 33E20 | EN | 3.3 | 64.2 | 37.9 | 51.1 | - |
| 17 | Xitavo | XO 3224E | EN | 3.2 | 59.4 | 41.9 | 50.7 | 67.9 |
| 18 | Axis | 3324 EXP | XF | 3.3 | 54.1 | 47 | 50.6 | - |
| 19 | Xitavo | XO 3375E | EN | 3.3 | 55.8 | 44.7 | 50.3 | - |
| 20 | Axis | 3314E | EN | 3.3 | 61.6 | 38.8 | 50.2 | - |
| 21 | Seedway | SX 3514E3 | EN | 3.5 | 56.4 | 43.7 | 50.1 | - |
| 22 | Seed Consultants, Inc. | SC7364ETM | EN | 3.6 | 56.2 | 43.5 | 49.9 | 67.6 |
| 23 | DonMario | DM36E94 | EN | 3.6 | 57.5 | 41.1 | 49.3 | - |
| 24 | Seed Consultants, Inc. | SC7355ETM | EN | 3.5 | 59.2 | 38.6 | 48.9 | - |
| 25 | GROWMARK, INC. | HS 34F30 | XF | 3.4 | 55 | 42.6 | 48.8 | 65.9 |
| 26 | Viking|Blue River | 3418N | CV | 3.4 | 56.4 | 41 | 48.7 | - |
| 27 | Axis | 3624 EXP | EN | 3.6 | 58.5 | 38.4 | 48.5 | - |
| 28 | Golden Harvest | GH3355E3S | EN, STS | 3.3 | 56.3 | 40.6 | 48.5 | - |
| 29 | Benson Hill | BH35A231 | CV | 3.5 | 53.3 | 42.8 | 48.1 | - |
| 30 | DonMario | DM38E54 | EN | 3.8 | 52.6 | 43.3 | 48 | - |
| 31 | Benson Hill | BH35A233 | CV | 3.5 | 52 | 42.8 | 47.4 | - |
| 32 | Asgrow | AG39XF3 | XF | 3.9 | 54.5 | 39.9 | 47.2 | 64.7 |
| 33 | Seed Genetics Direct | ET-0733E3 | EN | 3.3 | 53.8 | 40.1 | 47 | - |
| 34 | Seed Genetics Direct | ET-4734E3S | EN | 3.4 | 54.5 | 38.5 | 46.5 | - |
| 35 | Xitavo | XO 3795E | EN | 3.7 | 54.4 | 38.1 | 46.3 | - |
| 36 | Axis | 3514ES | EN | 3.5 | 55.5 | 36.7 | 46.1 | - |
| 37 | Seed Genetics Direct | ET-4736E3 | EN | 3.6 | 57 | 34.7 | 45.9 | - |
| 38 | Seed Consultants, Inc. | SC7332ETM | EN | 3.3 | 50.6 | 39.7 | 45.2 | 63.7 |
| 39 | Seed Genetics Direct | ET-3733E3 | EN | 3.3 | 49.6 | 40.2 | 44.9 | - |
| 40 | Asgrow | AG36XF4 | XF | 3.6 | 56.9 | 32.7 | 44.8 | - |
| 41 | Asgrow | AG33XF3 | XF | 3.3 | 55 | 34.5 | 44.8 | 64.9 |
| 42 | GROWMARK, INC. | HS 36E40 | EN | 3.6 | 49.9 | 37.2 | 43.6 | - |
| 43 | Axis | 3525E | EN | 3.5 | 48 | 36.4 | 42.2 | - |
| 44 | Xitavo | XO 3655E | EN | 3.6 | 48.2 | 35.2 | 41.7 | - |
| 45 | Seed Genetics Direct | ET-3735E3 | EN | 3.5 | 50.8 | 31.4 | 41.1 | - |